Home / 9,365.29-12,918.42-5,585.93

Finding the Fourth Proportional to 9,365.29, 12,918.42 and 5,585.93

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Solution

The fourth proportional to 9,365.29, 12,918.42 and 5,585.93 is: 7,705.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,365.29 : 12,918.42 = 5,585.93 : x
  2. Step 2: Convert to fraction form
    9,365.29/12,918.42 = 5,585.93/x
  3. Step 3: Cross multiply
    9,365.29x = 12,918.42 × 5,585.93
  4. Step 4: Simplify right side
    9,365.29x = 72,161,325.24
  5. Step 5: Solve for x
    x = 72,161,325.24/9,365.29
  6. Step 6: Final answer
    x = 7,705.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.